package com.imooc.controller;

import com.imooc.pojo.bo.ShopcartBO;
import com.imooc.utils.IMOOCJSONResult;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.StringUtils;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@Api(value = "购物车接口controller", tags = {"购物车接口相关的api"})
@RequestMapping("shopcart")
@RestController
public class ShopcatController {

  @ApiOperation(value = "添加商品到购物车", notes = "添加商品到购物车", httpMethod = "POST")
  @PostMapping("/add")
  public IMOOCJSONResult add(
      @RequestParam String userId,
      @RequestBody ShopcartBO shopcartBO,
      HttpServletRequest request,
      HttpServletResponse response
  ) {

    if (StringUtils.isBlank(userId)) {
      return IMOOCJSONResult.errorMsg("");
    }

    System.out.println(shopcartBO);

    // TODO 前端用户在登录的情况下，添加商品到购物车，会同时在后端同步购物车到redis缓存

    return IMOOCJSONResult.ok();
  }

  @ApiOperation(value = "从购物车中删除商品", notes = "从购物车中删除商品", httpMethod = "POST")
  @PostMapping("/del")
  public IMOOCJSONResult del(
      @RequestParam String userId,
      @RequestParam String itemSpecId,
      HttpServletRequest request,
      HttpServletResponse response
  ) {

    if (StringUtils.isBlank(userId) || StringUtils.isBlank(itemSpecId)) {
      return IMOOCJSONResult.errorMsg("参数不能为空");
    }

    // TODO 用户在页面删除购物车中的商品数据，如果此时用户已经登录，则需要同步删除后端购物车中的商品

    return IMOOCJSONResult.ok();
  }

}
